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Description

Detects the social network from a URL and returns the SVG code for its icon.

Usage

$string|null = Twenty_Twenty_One_SVG_Icons::get_social_link_svg( $uri, $size );

Parameters

$uri

( string ) required – Social link.

$size

( int ) required – The icon-size in pixels.

Returns

string|null

Source

File name: twentytwentyone/classes/class-twenty-twenty-one-svg-icons.php
Lines:

  public static function get_social_link_svg( $uri, $size ) {
    static $regex_map; // Only compute regex map once, for performance.

    if ( ! isset( $regex_map ) ) {
      $regex_map = array();

      
/**
 * Filters Twenty Twenty-Ones's array of domain mappings for social icons.
 *
 * By default, each Icon ID is matched against a .com TLD. To override this behavior,
 * specify all the domains it covers (including the .com TLD too, if applicable).
 *
 * @since Twenty Twenty-One 1.0
 *
 * @param array $social_icons_map Array of default social icons.
 */
      $map = apply_filters( 'twenty_twenty_one_social_icons_map', self::$social_icons_map );

      
/**
 * Filters Twenty Twenty-One's array of social icons.
 *
 * @since Twenty Twenty-One 1.0
 *
 * @param array $social_icons Array of default social icons.
 */
      $social_icons = apply_filters( 'twenty_twenty_one_svg_icons_social', self::$social_icons );

      foreach ( array_keys( $social_icons ) as $icon ) {
        $domains            = array_key_exists( $icon, $map ) ? $map[ $icon ] : array( sprintf( '%s.com', $icon ) );
        $domains            = array_map( 'trim', $domains ); // Remove leading/trailing spaces, to prevent regex from failing to match.
        $domains            = array_map( 'preg_quote', $domains );
        $regex_map[ $icon ] = sprintf( '/(%s)/i', implode( '|', $domains ) );
      }
    }
    foreach ( $regex_map as $icon => $regex ) {
      if ( preg_match( $regex, $uri ) ) {

        return self::get_svg( 'social', $icon, $size ) . '<span class="screen-reader-text">';
      }
    }
    return null;
  }
 

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